stdenv: make darwin builds reproducable

Fixes #21629

Passing these extra linker flags removes both the semi-random uuid
included in most binaries as well as making the sdk version consistent
instead of based on the current os version.

    Load command 8
         cmd LC_UUID
     cmdsize 24
        uuid 70FAF921-5DC8-371C-B814-4F121FADFDF4

    Load command 9
          cmd LC_VERSION_MIN_MACOSX
      cmdsize 16
      version 10.12
          sdk 10.13

The -macosx_version_min flag isn't strictly necessary since that's
already handled by MACOSX_DEPLOYMENT_TARGET.
This commit is contained in:
Daiderd Jordan 2020-01-13 17:46:11 +01:00
parent 16ffc74a32
commit a826b49c97
No known key found for this signature in database
GPG key ID: D02435D05B810C96

View file

@ -28,15 +28,20 @@ let
];
in rec {
commonPreHook = ''
export NIX_ENFORCE_PURITY="''${NIX_ENFORCE_PURITY-1}"
export NIX_ENFORCE_NO_NATIVE="''${NIX_ENFORCE_NO_NATIVE-1}"
export NIX_ENFORCE_NO_NATIVE=''${NIX_ENFORCE_NO_NATIVE-1}
export NIX_ENFORCE_PURITY=''${NIX_ENFORCE_PURITY-1}
export NIX_IGNORE_LD_THROUGH_GCC=1
stripAllFlags=" " # the Darwin "strip" command doesn't know "-s"
export MACOSX_DEPLOYMENT_TARGET=10.12
export SDKROOT=
export CMAKE_OSX_ARCHITECTURES=x86_64
export SDKROOT=
# Ensure consistent LC_VERSION_MIN_MACOSX and remove LC_UUID.
export MACOSX_DEPLOYMENT_TARGET=10.12
export NIX_LDFLAGS+=" -macosx_version_min 10.12 -sdk_version 10.12 -no_uuid"
# Workaround for https://openradar.appspot.com/22671534 on 10.11.
export gl_cv_func_getcwd_abort_bug=no
stripAllFlags=" " # the Darwin "strip" command doesn't know "-s"
'';
bootstrapTools = derivation {